1986 Toyota Corolla Rough Idle

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Old 07-04-08, 11:15 PM
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1986 Toyota Corolla Rough Idle

Got a problem need to know where to start. The car has is carberated... got the 1.6l in it i believe... idle fluctuates from 500 to 1000... and it will gradually get lower until it stalls... any ideas? No vacuum leak that i can hear. Put a vacuum pump on the egr to try move it manually, pulled 25 inches of mercury and it didn't do anything to the idle? think that's the problem? Any help appreciated!
 
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Old 07-05-08, 08:45 AM
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I think the first thing I would do is check the little sight glass in the side of the carb for fuel level; it should be right in the center of the glass. Higher or lower would indicate a fuel problem, possibly clogged filter or a float problem.
 
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Old 07-09-08, 06:53 PM
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Idle Air Control was the problem.
 
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Old 07-10-08, 05:26 AM
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On a carbureted engine?
 
 

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